199948060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{3191}}^1$

素因数の和:3454

約数の個数: 48

約数和(自身を含む): 454208832

約数和(自身を除く): 254260772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 241, 260, 482, 964, 1205, 2410, 3133, 3191, 4820, 6266, 6382, 12532, 12764, 15665, 15955, 31330, 31910, 41483, 62660, 63820, 82966, 165932, 207415, 414830, 769031, 829660, 1538062, 3076124, 3845155, 7690310, 9997403, 15380620, 19994806, 39989612, 49987015, 99974030, 199948060]

約数ペア:

[(1, 199948060), (2, 99974030), (4, 49987015), (5, 39989612), (10, 19994806), (13, 15380620), (20, 9997403), (26, 7690310), (52, 3845155), (65, 3076124), (130, 1538062), (241, 829660), (260, 769031), (482, 414830), (964, 207415), (1205, 165932), (2410, 82966), (3133, 63820), (3191, 62660), (4820, 41483), (6266, 31910), (6382, 31330), (12532, 15955), (12764, 15665)]